<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- React核心包 最先引入  提供一个对象React -->
    <script src="../react18/react.development.js"></script>
    <!-- ReactDOM包  提供一个对象ReactDOM -->
    <script src="../react18/react-dom.development.js"></script>
</head>
<body>
    <!-- React操作的容器 -->
    <div id="app"></div>
    
    <script>
        // React操作的容器
        const vDom = React.createElement('h1',{},'Hello React');
        // 把虚拟DOM交给React 渲染到容器中
        const root = ReactDOM.createRoot(document.getElementById('app'));
        root.render(vDom);
    </script>
</body>
</html>